Methylene Chloride (MC), ihe mgbaze nke a na-ejikarị eme ihe na ọgwụ, nrapado, na usoro ikuku, na-enwe mgbanwe dị ukwuu na ngwa ụlọ ọrụ mmepụta ihe na nhazi nhazi ya. Ọganihu ndị na-adịbeghị anya na nrụpụta nrụpụta, ụkpụrụ nchekwa gburugburu ebe obibi, na nyocha ihe mgbaze ọzọ na-emegharị ka esi ahụ kemịkalụ a wee jiri ya n'ofe ụdọ ọkọnọ zuru ụwa ọnụ.
1. Ọganiihu na Sistemụ Nrụgharị Ihe Mechiri emechi
Usoro mgbake maka ịweghachi na ijikwa dichloromethane na usoro mmepụta enwetala traction na 2023. N'ịbụ nke otu ụlọ ọrụ nyocha Europe mepụtara, usoro a na-emechi emechi na-eji teknụzụ mgbasa ozi dị elu iji weghara ma mee ka vapors MC dị ọcha n'oge mmepụta mkpuchi. Ọnwụnwa mbụ gosipụtara ọnụego mgbake 92%, na-ebelata nke ukwuu oriri akụrụngwa na ikuku.
Teknụzụ ahụ na-ejikọta nlekota AI na-akwalite iji kwalite usoro mgbaze na-eji ihe mgbaze eme ihe, na-ahụ na nrube isi na oke ikpughe ebe ọrụ. Ụlọ ọrụ ndị dị ka mmepụta polycarbonate na ihicha akụrụngwa eletrọnịkị na-eduzi usoro a, nke kwekọrọ na International Council of Chemical Associations' (ICCA) 2030 aku na uba okirikiri nhọrọ ukwuu.
2. Ịkwụsị ụkpụrụ zuru ụwa ọnụ na MC emissions
Ndị na-ahụ maka nhazi na-enyocha Methylene Chloride n'ihi ike ọgwụgwụ ozone ya (ODP) na ihe egwu ahụike ọrụ. Na Septemba 2023, European Chemicals Agency (ECHA) tụpụtara mmezigharị na ụkpụrụ REACH, na-enye iwu nleba anya ikuku ikuku maka akụrụngwa na-eji ihe karịrị tọn 50 kwa afọ. Iwu a chọkwara ntule nnọchi maka ngwa na-adịghị mkpa site na Q2 2024.
N'otu oge ahụ, US Environmental Protection Agency (EPA) ebidola nyocha nke ọkwa MC n'okpuru iwu nchịkwa ihe na-egbu egbu (TSCA), yana nchoputa mbido na-atụ aro mmachi ntinye ikuku n'ebe ọrụ siri ike - nwere ike wedata oke site na 25 ppm ruo 10 ppm. Usoro ndị a bụ iji dozie nchegbu na-arị elu maka mmetụta akwara ozi ogologo oge n'etiti ndị ọrụ mmepụta ihe.
3. Ngalaba na-emepụta ọgwụ na-anabata Greener Alternatives
Ụlọ ọrụ na-emepụta ọgwụ, bụ isi ndị na-eji Methylene Chloride maka kristal na mmịpụta ọgwụ, na-eme ka nnwale nke ihe mgbaze dabere na bio. Nnyocha nyocha nke ndị ọgbọ bipụtara na * Green Chemistry * (August 2023) gosipụtara ihe mgbaze sitere na limonene dị ka nnọchi MC nke nwere ike dochie na API (ngwá ọgwụ na-arụ ọrụ) na njikọ, na-enweta ihe atụ yiri ya na profaịlụ toxicity dị ala 80%.
Ọ bụ ezie na nkuchi na-anọgide na-abawanye n'ihi ihe ịma aka nkwụsi ike nhazi, ihe mkpali nchịkwa n'okpuru Iwu Mbelata Mbelata ọnụ ahịa US na-enye ego maka osisi ndị na-anya ụgbọ elu nke a raara nye iji mee ka usoro ndị a dị elu. Ndị nyocha na-ebu amụma mbelata 15-20% na ihe MC chọrọ site na ọgwụ site na 2027 ma ọ bụrụ na usoro R&D dị ugbu a na-adịgide.
4. Ọganihu na teknụzụ MC Risk Mitigation
Njikwa injinia ọhụrụ na-ebelata ihe egwu metụtara MC. Otu ndị nyocha North America ekpughere n'oge na-adịbeghị anya usoro nzacha dabere na nanoparticle nke na-emebi MC fọdụrụ n'ime mmiri iyi n'ime ihe ndị na-adịghị egbu egbu dị ka ion chloride na carbon dioxide. Usoro fotocatalytic, nke ọkụ ọkụ UV na-adịghị ike na-arụ ọrụ, na-enweta arụmọrụ mmebi 99.6% ma na-etinye ya n'ime ụlọ ọrụ mmiri na-ekpofu mmiri.
Na mgbakwunye, akụrụngwa nchebe onwe nke ọgbọ na-abịa (PPE) nke na-egosipụta ndị na-eku ume graphene egosila ịdị mma 98% na igbochi vapors MC n'oge ọrụ mkpughe dị elu dị ka ịpụpụ agba. Mmepe ndị a dakọtara na ntuziaka OSHA emelitere na-emesi njikwa mkpughe dị elu maka ndị na-ahụ maka MC.
5. Mgbanwe nke Ahịa na-adịgide adịgide
N'agbanyeghị ọrụ ya gbanyere mkpọrọgwụ, Methylene Chloride na-eche nrụgide na-arị elu site na njirisi ntinye ego nke ESG (gburugburu gburugburu, ọha, ọchịchị). Nnyocha 2023 nke onye nyocha ụlọ ọrụ na-ahụ maka kemịkalụ gosipụtara na 68% nke ndị na-emepụta ala na-ebute ụzọ ugbu a na atụmatụ mbelata ikuku MC. Omume a na-akpalite ọhụrụ n'ime akụrụngwa mgbake mgbaze na ụzọ mmepụta bio-ngwakọ.
N'ụzọ doro anya, ọrụ pilot na Ndịda Ebe Ọwụwa Anyanwụ Eshia ejirila methane chlorination kwadoro MC nke ọma, na-ebelata akara ụkwụ carbon nke mmepụta site na 40%. Ọ bụ ezie na ihe ịma aka scalability ka dị, atụmatụ ndị dị otú ahụ na-emesi akụkụ nke kemịkalụ ike na gburugburu ebe obibi ihe mgbaze na-emebi emebi.
Mmechi: Ịhazi Utility na Ọrụ
Dị ka Methylene Chloride ka dị mkpa maka ngwa dị oke mkpa, ụlọ ọrụ ahụ na-elekwasị anya na ihe ọhụrụ na-adigide na nrubeisi nke usoro iwu na-abawanye. Mkparịta ụka nke sistemu mgbake dị oke ọnụ, ụzọ nchekwa dị mma, na atumatu na-agbanwe ga-akọwapụta ọrụ MC na ọdịnihu obere carbon. Ndị na-etinye aka n'ofe ọnụ ahịa ahụ ga-emerịrị usoro mgbanwe a-ebe arụmọrụ arụmọrụ yana nlekọta gburugburu ebe obibi na-agbakọta-iji nweta ike ogologo oge.
Oge nzipu: Eprel-07-2025